fix: resolve CI/CD type errors and workflow issues

src/formatters/formatters.py

@@ -53,7 +53,7 @@ class TerminalFormatter(BaseFormatter):
         return text
 
     def format(self, result: ReviewResult) -> str:
-        output = []
+        output: list[Panel | Table] = []
 
         if result.error:
             output.append(Panel(
@@ -132,10 +132,10 @@ class MarkdownFormatter(BaseFormatter):
 
 
 def get_formatter(format_type: str = "terminal", **kwargs) -> BaseFormatter:
-    formatters = {
+    formatters: dict[str, type[BaseFormatter]] = {
         "terminal": TerminalFormatter,
         "json": JSONFormatter,
         "markdown": MarkdownFormatter,
     }
     formatter_class = formatters.get(format_type, TerminalFormatter)
-    return formatter_class(**kwargs)
+    return formatter_class(**kwargs)  # type: ignore[arg-type]